1127 ASHCROFT | Alldatasheet

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Technical content

All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft® and Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks Data Sheet of 5 1127/1128 Differential Pressure Gauge

FEATURES

Zero center dial (1128) Available with diaphragm seals TYPICAL USES Refineries Chemcial and petrochemical plants Water and wastewater pressure control Mining and metals Filtration monitoring, level and flow measurement KEY BENEFITS

  • Built in back flange for surface or wall mounting
  • Zero center dial to indicate negative or positive pressure
  • Compatible with diaphragm seals 1127 4½˝, 6˝ dial sizes SPECIFICATIONS Accuracy: ±2-1-2% of span (ASME B40.100 Grade A) Sizes: 4½˝, 6˝ Ranges: 10 -1,000 psi Process Connection Location: Lower only Process Connection Sizes: ¼ NPT, ½ NPT adaptor Case Style: Open Front Window Material: Glass Dial: White painted aluminum with black markings Pointer: Black Weather Protection: Case is not sealed and reccomended for weather protected environment only Movement: Bronze Mounting Options: Stem, Surface WETTED COMPONENTS Bourdon Tube Process Connection Joints

316 SS 316 SS Welded

Cast aluminum, black epoxy coated Aluminum,hinged, black epoxy coated Aluminum MIN/MAX TEMPERATURE LIMITS Version Ambient Process Storage Dry -20 °F to 200 °F (-29 °C to 93 °C) -20 °F to 250 °F (-29 °C to 121 °C) -40 °F to 250 °F (-40 °C to 121 °C) 1128 4½˝, 6˝ dial sizes

All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft® and Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks Data Sheet of 5 1127/1128 Differential Pressure Gauge ORDERING CODE Example: 45 1127 SD 02 L XC4 100# Dial Size 45 - 41/2˝ 45 60 - 6˝ Models 1127 - Aluminum, open front case 1127 1128 - Aluminum, open front case - zero center dial System SD - 316 SS tube/316 SS process connection SD Process Connection Size 02 - 1/4 NPT Male 02 04 - 1/2 NPT Male (uses adaptors) Process Connection Location L - Lower L Options (if choosing an option(s) must include a “X”) X__ Windows/Pointers PD - Acrylic window SG - Safety glass EP - Maximum pointer EQ - Minimum pointer SH - Red set hand, stationary EO - Red set hand, adjustable Other C4 - Traceable calibration certificate C4 NH - Stainless Steel tag wired to case TM - 2˝ pipe mounting bracket 6B - Cleaned for oxygen service Range (coding example only, see range tables for all standard ranges) 100# - 100 psid 100#

All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft® and Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks Data Sheet of 5 1127/1128 Differential Pressure Gauge 1128 (210° dial arc) Zero Center Dial- Single Scale psid kg/cm2 bar kPa Duals Scale Outer Scale psi Static Pressure Limits 10/10# 0.7/0.7KSC 0.7/0.7BR 70/70KP 10/10# 10 psi - 1/1KSC 1/1BR 100/100KP 14/14# 15 psi - 2/2KSC 2/2BR 200/200KP 28/28# 30 psi 50/50# 3.5/3.5KSC 3.5/3.5BR 350/350KP 50/50# 50 psi 80/80# 5.5/5.5KSC 5.5/5.5BR 550/550KP 80/80# 80 psi 100/100# 7/7KSC 7/7BR 700/700KP 100/100# 100 psi 150/150# 10/10KSC 10/10BR 1000/1000KP 150/150# 150 psi 200/200# 14/14KSC 14/14BR 1,400/1400KP 200/200# 200 psi 300/300# 20/20KSC 20/20BR 2000/2000KP 300/300# 300 psi 400/400# 28/28KSC 28/28BR 2800/2800KP 400/400# 400 psi 500/500# 35/35KSC 35/35BR 3500/3500KP 500/500# 500 psi 1127 (210° dial arc) - Single Scale psid kg/cm2 bar kPa Duals Scale Outer Scale psi Static Pressure Limits 10# (130° dial arc) - - - - 10 psi 15# (130° dial arc) - - - - 15 psi - - - - - - 20# 1.4KSC 1.4BR 140KP 20# 20 psi - 2KSC 2BR 200KP 28# 30psi 30# - - - - 30 psi - 4KSC 4BR 400KP 55# 60 psi 60# - - - - 60 psi 100# 7KSC 7BR 700KP 100# 100 psi 160# 11KSC 11BR 1,100KP 160# 160 psi 200# 14KSC 14BR 1,400KP 200# 200 psi 300# 20KSC 20BR 2,000KP 300# 300 psi 400# 28KSC 28BR 2,800KP 400# 400 psi 600# 40KSC 40BR 4,000KP 600# 600 psi 800# 56KSC 56BR 5,600KP 800# 800 psi 1000# 70KSC 70BR 7,000KP 1000# 1,000 psi DIFFERENTIAL PRESSURE GAUGE RANGE TABLES

All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft® and Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks Data Sheet of 5 1127/1128 Differential Pressure Gauge Metric Ranges Pressure Range Dial Graduations Range Dial Graduations Outer Range When Dual Range Specified psikg/cm² bar Figure Interval Minor Graduation kPa (kilopascal) Dial Graduations Minor Graduation Type 1127 0/1.4 0/1.4 0.2 0.02 0/140 20 2 0/20 0/2 0/2 0.5 0.05 0/200 50 5 0/28 0/4 0/4 0.5 0.01 0/400 50 5 0/55 0/7 0/7 0.5 0.1 0/400 50 10 0/100 0/11 0/11 2 0.2 0/1,100 200 20 0/160 0/14 0/14 2 0.2 0/1,400 200 20 0/200 0/20 0/20 5 0.5 0/2,000 250 50 0/300 0/28 0/28 5 0.5 0/2,800 500 50 0/400 0/40 0/40 5 0.5 0/4,000 500 50 0/600 0/56 0/56 10 1 0/5,600 1000 100 0/800 0/70 0/70 10 1 0/7,000 1000 100 0/1000 Type 1128 1/1 1/1 0.5 0.05 100/100 50 5 14/14 2/2 2/2 0.1 0.01 200/200 50 5 28/28 7/7 7/7 2 0.2 700/700 200 20 100/100 10/10 10/10 5 0.5 1,000/1000 250 50 150/150 14/14 14/14 5 0.5 1,400/1400 500 50 200/200 20/20 20/20 5 0.5 2,000/2000 500 50 300/300 28/28 28/28 10 1 2,800/2800 1000 100 400/400 35/35 35/35 10 1 3,500/3500 1000 100 500/500 DIFFERENTIAL PRESSURE GAUGE RANGE TABLES

All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft® and Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks Data Sheet of 5 1127/1128 Differential Pressure Gauge (3) SLOTTED HOLES “J” WIDE EQUALL Y SP ACED ON A “K” BOLT CIRCLE. “L” ACROSS FLA TS 1 / 4 NPT OR 1 / 2 NPT ( 1 / 4 SHOWN) Size ABC D E F G H J K L MInches 1⁄4 NPT 1⁄2 NPT 1⁄4 NPT 1⁄2 NPT 4 1⁄2 57⁄8 431⁄32 27⁄16 315⁄16 41⁄16 1 15⁄8 15⁄8 5⁄16 7⁄32 211⁄16 9⁄16 11⁄16 3⁄4 6 75⁄8 67⁄16 21⁄2 415⁄16 415⁄16 11⁄16 113⁄16 15⁄8 5⁄16 9⁄32 39⁄16 9⁄16 11⁄16 3⁄4 ( ) are millimeters Dial Size Dial Size A B C D E H J K L M Weight 1/4 NPT 1/2 NPT 1/4 NPT 1/2 NPT oz / kg 4.5˝ 57⁄8 431⁄32 27⁄16 315⁄16 41⁄16 1 5⁄16 7⁄32 211⁄16 9⁄16 11⁄16 3⁄4 2.5 75⁄8 67⁄16 21⁄2 415⁄16 415⁄16 11⁄16 5⁄16 9⁄32 39⁄16 9⁄16 11⁄16 3⁄4 3.5 DIMENSIONS in [ ] are millimeters For reference only, consult Ashcroft for specific dimensional drawings